228709728

Names of 228709728

• Cardinal: 228709728 can be written as Two hundred twenty-eight million, seven hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.28709728 × 10⁸

Factors of 228709728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 182

Divisors of 228709728

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 37 39 48 52 72 74 78 96 104 111 117 127 144 148 156 169 208 222 234 254 288 296 312 333 338 381 416 444 468 481 507 508 592 624 666 676 762 888 936 962 1014 1016 1143 1184 1248 1332 1352 1443 1521 1524 1651 1776 1872 1924 2028 2032 2286 2664 2704 2886 3042 3048 3302 3552 3744 3848 4056 4064 4329 4572 4699 4953 5328 5408 5772 6084 6096 6253 6604 7696 8112 8658 9144 9398 9906 10656 11544 12168 12192 12506 13208 14097 14859 15392 16224 17316 18288 18759 18796 19812 21463 23088 24336 25012 26416 28194 29718 34632 36576 37518 37592 39624 42291 42926 46176 48672 50024 52832 56277 56388 59436 61087 64389 69264 75036 75184 79248 84582 85852 100048 112554 112776 118872 122174 128778 138528 150072 150368 158496 169164 171704 183261 193167 200096 225108 225552 237744 244348 257556 300144 338328 343408 366522 386334 450216 451104 475488 488696 515112 549783 600288 676656 686816 733044 772668 794131 900432 977392 1030224 1099566 1353312 1466088 1545336 1588262 1800864 1954784 2060448 2199132 2382393 2932176 3090672 3176524 4398264 4764786 5864352 6181344 6353048 7147179 8796528 9529572 12706096 14294358 17593056 19059144 25412192 28588716 38118288 57177432 76236576 114354864 228709728
• Sum of all divisors σ(n): 729001728
• Sum of proper divisors (its aliquot sum) s(n): 500292000
• 228709728 is an abundant number, because the sum of its proper divisors (500292000) is greater than itself. Its abundance is 271582272

Bases of 228709728

• Binary: 1101101000011101010101100000₂
• Hexadecimal: 0xDA1D560
• Base-36: 3S61K0

Squares and roots of 228709728

• 228709728 squared (228709728²) is 52308139681833984
• 228709728 cubed (228709728³) is 11963380398818257021796352
• The square root of 228709728 is 15123.1520523997
• The cube root of 228709728 is 611.5447081507

Scales and comparisons

• 228,709,728 seconds is equal to 7 years, 14 weeks, 1 day, 2 hours, 28 minutes, 48 seconds.
• To count from 1 to 228,709,728 would take you about ten years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 228709728 cubic inches would be around 51 feet tall.

Recreational maths with 228709728

• 228709728 backwards is 827907822
• The number of decimal digits it has is: 9
• The sum of 228709728's digits is 45
• More coming soon!